#331F82#331F82

#331F82 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.155 H 283.6°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#331F82
RGB	rgb(51, 31, 130)
HSL	hsl(252, 61%, 32%)
HSV	hsv(252, 76%, 51%)
CMYK	cmyk(60.8%, 76.2%, 0%, 49%)
CIE-LAB	lab(21.19, 37.49, -52.24)
CIE-LCH	lch(21.19, 64.30, 305.67°)
OKLab	oklab(33.71% 0.0364 -0.1505)
OKLCH	oklch(33.71% 0.155 283.6)
XYZ	xyz(5.8833, 3.2951, 21.4408)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F82 #6E821F

analogous

#1F3D82 #331F82 #651F82

triadic

#331F82 #82331F #1F8233

tetradic

#331F82 #821F3D #6E821F #1F8265

square

#331F82 #821F3D #6E821F #1F8265

split-complementary

#331F82 #82651F #3D821F

monochromatic

#0C071F #201351 #331F82 #462BB3 #6448D3

Accessibility & contrast

On white

12.66

#331F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#331F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F82

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F82	#FFFFFF	#000000	##FFFFFF
##331F82	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003685

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#023B4F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #331f82;
/* rgb */ color: rgb(51, 31, 130);
/* oklch */ color: oklch(33.7% 0.155 283.6);

Tailwind

colors: {
  custom: {
    50: '#755da7',
    500: '#331f82',
    950: '#000000',
  },
}

SCSS

$custom: #331f82;
$custom-light: #755da7;
$custom-dark: #000000;

JSON

{
  "hex": "#331f82",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 130
  },
  "hsl": {
    "h": 252.121,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33712,
    "c": 0.15485,
    "h": 283.6
  },
  "luminance": 0.03295
}

Semantic roles & 50–950 ramp

primary

#331F82

secondary

#9FB548

accent

#E543C4

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #331F82

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →